Your daily guide to the most interesting stuff happening on TV and streaming. All times Eastern.

PICK OF THE NIGHTCastleABC, 10 p.m.
After eight seasons and 172 episodes, the beloved show’s series finale is suddenly upon us. Can you believe it? No? Join the club! To gear up before Castle and Beckett’s big ending tonight, be sure to check out all our Castle coverage here.

ANOTHER SERIES FINALEMike & MollyCBS, 8 p.m.
It’s been a long journey, but Billy Gardell and Melissa McCarthy’s sitcom (produced by Chuck Lorre, naturally) will have its last laugh. And maybe a last cry: “Everybody was watery-eyed all week,” Gardell tells EW of taping the finale. He adds that the final episode, directed by James Burrows (who also helmed the first two seasons), will bring some long-awaited good news for the couple — possibly in the form of a child. “They did it in such a way that the fans are going to be very, very satisfied,” Gardell hints. As for his costar, he says he’ll miss working with McCarthy: “Our chemistry was fantastic, and if anything, from beginning to end it only got stronger.”

JPS ALERTGothamFOX, 8 p.m.Gotham reels in a not-so-fresh catch: Fish Mooney (played by Jada Pinkett Smith) returns for a few episodes when she’s resurrected from the dead.

SEASON FINALEBates MotelA&E, 9 p.m.
Is… Norma dead? No, seriously, is she? After last week’s episode, it’s hard to tell either way — but tonight’s finale promises to give us some answers. Check out our preview of the episode, featuring an interview with executive producer Carlton Cuse, here.

SEASON FINALEJane the VirginThe CW, 9 p.m.
Jane and Michael’s wedding day plans are thrown into chaos. But hey, as long as the open bar is intact, everything will be okay, amirite?